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/**
* Copyright (C) 2020-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/commands/killoperations_common.h"
#include "mongo/logv2/log.h"
#include "mongo/s/grid.h"
#include "mongo/s/query/cluster_cursor_manager.h"
#include "mongo/stdx/unordered_set.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kCommand
namespace mongo {
class ClusterKillOperationsCmd : public KillOperationsCmdBase<ClusterKillOperationsCmd> {
public:
static void killCursors(OperationContext* opCtx, const std::vector<OperationKey>& opKeys) {
auto clusterCursorManager = Grid::get(opCtx)->getCursorManager();
stdx::unordered_set<UUID, UUID::Hash> opKeySet(opKeys.begin(), opKeys.end());
std::size_t numCursorsKilled = clusterCursorManager->killCursorsSatisfying(
opCtx,
[&opKeySet](CursorId cursorId, const ClusterCursorManager::CursorEntry& entry) -> bool {
if (!entry.getOperationKey()) {
return false;
}
bool hasOpKey = opKeySet.find(*entry.getOperationKey()) != opKeySet.end();
if (hasOpKey) {
LOGV2(4664805,
"Attempting to kill cursor",
"cursorId"_attr = cursorId,
"opKey"_attr = entry.getOperationKey());
}
return hasOpKey;
});
LOGV2(
4664806, "_killOperations command killed cursors", "numKilled"_attr = numCursorsKilled);
}
} clusterKillOperationsCmd;
} // namespace mongo
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